Concentration on the Activity of Amylase Title Influence of Concentration on the Activity of Amylase Abstract Does more or less concentration speed up the reaction rate of amylase in starch? In this experiment diluted solutions of amylase were created and then tested using a starch solution‚ I2KI for reaction times. The answer to the question was proved to be that more concentration of amylase speeds up the reaction time. Introduction The enzyme‚ amylase is found in the saliva of most
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proteins that are involved in all the chemical processes in living things. As they are made of proteins they are affected by pH and temperature. Enzymes are catalysts; they speed up chemical reactions without being changed themselves. Digestive enzymes speed up the breakdown of large food molecules into smaller ones so that the blood can absorb them. Enzymes turn a large starch molecule into thousands of tiny glucose molecules. Enzymes end in ’ase’. There are thousands of enzymes in our body but each
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site (lock). The induced fit hypothesis is when the active site changes shape so that the enzyme moulds itself around the substrate. Enzymes are proteins with a 3-D tertiary structure which can alter in shape if certain factors such as temperature‚ pH or substrate concentration change‚ and so the active site of the enzyme may no longer compliment the base of the substrate therefore fewer complexes can form and the reaction rate drops. Coenzymes are organic compounds‚ often containing a vitamin
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are enzymatic desizing and oxidative desizing. Acid steeping is a risky process and may result in the degradation of cotton cellulose while rot steeping‚ hot caustic soda treatment and hot washing with detergents are less efficient for the removal of the starch sizes. * Enzymatic desizing : Enzymes are solubilizing bio catalysts‚ mainly proteins‚ thermo labile (readily changed or desized by heat) and highly specific in their action. A
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Practical 3 Investigation of Action of Saliva and Hydrochloric Acid in Two Carbohydrate Solution | Objective: 1. To show the action of saliva in two carbohydrate solutions. 2. To show the action of hydrochloric acid in two carbohydrate solutions. Apparatus & Equipment’s: Boiling tubes Metal test tube racks Beaker Graduated plastic dropper Water bath‚~37°C Water bath‚~95°C Stop watch
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to match the size of the substrate. For an enzyme to act‚ there are a few factors that affect them which are: substrate concentration‚ temperature‚ salt concentration‚ pH‚ and inhibitors‚ activators and cofactors being present (Kumar‚ 2015) Finding the optimal temperature for amylase Bacteria and Fungi with the presence of starch is the purpose of this experiment. Optimal conditions are known as conditions in which organism are able to thrive in‚ where it is able to function at its best. If an organism
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direction of an enzyme reaction. Amylase is a digestive enzyme found in both the saliva and the small intestine. Salivary amylase is a hydrolytic reaction that breaks down starch molecules by systematically breaking off the maltose molecules from the ends of starch chains. The maltose is further broken down by another enzyme. Phosphorylase is an enzyme that systematically removes glucose molecules by consumes phosphoric acid to break the beta-1-4-glucosidic bonds in starch. The interaction of phosphate
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Iodine is a test for starch while Benedict’s solution is a test for reducing sugars. When solution A is tested by benidicts test‚ the clear blue solution changed to a little reddish and brick red precipitate is formed.this result show that solution A is a reducing sugar. When carried out iodine test with solution A‚ the colourless solution remain unchanged . this tell us that starch is absent is solution A. When solution B is tested with Benedicts test‚ the clear blue solution remain unchanged‚ we
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Suggested answers to Practical Workbook for SBA Ch 1 Introducing biology Practical 1.1 Design an investigation of the effect of fresh pineapple on the setting of jelly Propose a hypothesis (p. 1-2) It is the fresh pineapple that causes the jelly to remain in liquid form. Design and perform an experiment (p. 1-2) 1 (Answer varies with Ss. The recommended quantity of jelly powder and water is stated on the packet of the jelly powder. Jelly will not set if it is too dilute.)
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kanamycins‚ Neomycins‚ streptomycin‚ Tetracyclines and others Gramicidin 5 Bacitracin Polymyxin B Steroid transformation Steroid transformation Steroid transformation Insulin‚ human growth bormone‚ somatostain‚ interferon Enzymes Aspergillus oryzae Amylases Asergillus niger Glucamylase Tricholderma reesii Cellulase Saccharomyces cerevisiae Invertase Kluyveromyces fragilis Lactase Saccharomycopsis lipolytica Asergillus Bacillus Mucor pussilus Mucor meihei Lipase Pectinases and proteases Proteases
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